One thing for certain, you have to to get the brightness and contrast levels right on the video before you start filtering. Perhaps it is my monitor, but your source video looks really washed out. Try this setting in your AviSynth script, and adjust to your liking. ( I made it a little strong and dark for effect sake) Tweak(0.0,0.9,3.4,0.6) Look at this thread for specific scripts -